cappacket.java

通过JPCAP实现对网络流量的监控通过JPCAP实现对网络流量的监控

package cappacket;

import java.io.IOException;
import java.util.Calendar;
import java.util.Date;

import jpcap.JpcapCaptor;
import jpcap.NetworkInterface;
import jpcap.PacketReceiver;
import jpcap.packet.Packet;
import jpcap.packet.TCPPacket;


public class CapPacket {
	
	public static void main(String args[]) throws IOException{   
		
		NetworkInterface[] devices=JpcapCaptor.getDeviceList(); 
		while(devices.length<=0){
			devices=JpcapCaptor.getDeviceList();
			System.out.println("获得设备！");
		}
	    for(int i=0;i<devices.length;i++){
	    	System.out.println(devices[i].toString());
	    	System.out.println(i + ":" + devices[i].name + "(" 
	    			+ devices[i].description + ")"); 
	    	System.out.println(devices[i].mac_address.toString());
	    	   for (byte b : devices[i].mac_address)//JDK1.5以上版本的for语法的加强变种[循环遍历]
		             //转化为十六进制的字串符表示    
		          System.out.print(Integer.toHexString(b&0xff) + ":"); 
	    }
	    
	 
		int index=1; 
		//PacketCapture pcap = new PacketCapture();
		//JpcapCaptor captor=JpcapCaptor.openDevice(devices[1],65535, true,20);
		
		PacketPrintl pp=new PacketPrintl();
		CapPacket cp=new CapPacket();
		cp.startCapture(pp);
		
		//captor.loopPacket(-1,pp);
		System.out.println("ceshi");

	} 
	
	public void startCapture(PacketPrintl pp){
		NetworkInterface[] devices=JpcapCaptor.getDeviceList(); 
	    for(int i=0;i<devices.length;i++){
	    	System.out.println(devices[i].toString());
	    	System.out.println(i + ":" + devices[i].name + "(" 
	    			+ devices[i].description + ")"); 
	    	System.out.println(devices[i].mac_address.toString());
	    	   for (byte b : devices[i].mac_address)//JDK1.5以上版本的for语法的加强变种[循环遍历]
		             //转化为十六进制的字串符表示    
		          System.out.print(Integer.toHexString(b&0xff) + ":"); 
	    }
		int index=1; 
		//PacketCapture pcap = new PacketCapture();
		//JpcapCaptor captor;
		try {
			JpcapCaptor captor=JpcapCaptor.openDevice(devices[0],65535, true,20);
			captor.loopPacket(-1,pp);
		} catch (IOException e) {
			// TODO Auto-generated catch block
			e.printStackTrace();
		}
				
		
		
	}
}